lady, she persevered through it all. >> there's going to be a lot of lessons for all of us about how to handle challenge, how to handle triumph, how to still be yourself. >> she's a great example of what's possible when you believe in yourself, when you believe in your community, when you believe in the power of people. god, no, please, no. this can't be real. >> a teenage home alone in a night of terror. >> i i would stare at the windows and try to figure out how scared she must have been. >> on her body like a signature.

a hand print in blood. >> it was a crime of passion. >> there's a lot of anger involved in this. >> but that handprint doesn't belong to the man police put in prison. >> the anger just surged through me. >> now a mother turns detective. >> her words to me, i'll never forget, were i just want to know what happened to my daughter. >> join in as she hunts for a killer and searches for the truth. >> i wanted to put my fist through the tv. >> and just wait till you learn what she found. >> it still brings the hair up on the back of my neck. >> the confession. welcome to "dateline," i'm craig melvin. she'd found a job and the new apartment. then angie was stab bed to taet in her bedroom within a local admitting he was one of her killers. a griz lee tail captured on

videotape. but for angie's mom, the troubling details didn't give her answers. in fact, they raised more questions. here's keith morrison. >> they keep him in here, deep inside the multiple walls and the armed doors and the rolls and rolls of razor wire, the confessed stabber, the convicted killer of that sweet young woman all those years ago. he's lucky to be alive probably, given the nature of the crime and the appeal from that girl's mother for the death sentence, which makes what that mother tells us about him now very puzzling indeed. >> let him go. it's the only thing his mother has. it's her only child. let him go.

>> her name is carol dodge, and the amazing story she will tell us tonight began on the worst day of her life. it was a thursday, june 13th, 1996, midmorning. she placed a call to a beauty salon to talk to her daughter angie. >> i dialed angie's number at work. and a lady answered, and i said, this is carol dodge, angie's mom. and she said, angie's been found dead. >> just over the phone? >> and i remember saying, god, no. please no. this can't be real. >> it happened, it turned out, the night before in the tiny second floor walkup where the independent 18-year-old had just started to build her life, stabbed to death, her throat cut. and carol was haunted by a conversation she'd had with angie that very week. >> that's what she said to me, you know, mom, i've done something really stupid. >> did you say to her, what did you do? >> no, i didn't want to pry. >> what could it have been, that something stupid? did it lead to murder?

idaho falls, idaho, big blue heaven above, dazzling white mormon temple below to anchor the town, its signal like a beacon of the core of american virtue. fine place to raise a family. three dodge boys and one girl named angie whose birth occasion, brother brent remembers, the biggest celebration of all. >> that was a moment for my parents to have a baby girl. >> little angie was one of those kids who learned about independence early on, who grew up busy and strong and stubborn. >> nobody got in your face because she would take care of you. >> she wasn't petite? >> angie was 5'11", and she was strong. >> of course, big could be a problem for a girl. as a teenager, she was too tall, too awkward. she struggled. and to make it worse, her parents' marriage fell apart. >> that's when angie went and just made friends with whoever

accepted her. >> among angie's new friends was jessica martinez. >> we both had a very poor image because we had weight problems andn't waed to be accepted, not for what we looked like, but for the people that we were. >> jessica has since turned out fine, but back then carol worried a lot about those new friends, didn't know they, like angie, had big plans. >> she wanted to go to college and just be the best person that she could be. >> now suddenly in this little apartment, angie's life was over, and carol, grief stricken and dazed, endured a murder investigation. >> we clearly thought there was some sort of relationship there because it was a crime of passion. >> jared furman and ken brown were back then detectives in the idaho falls p.d. angie's boyfriend was out of town. her other friends seemed to have

alibis too. so they turned to the physical evidence, like this bloody handprint on angie's stomach, must have been left after angie's dead, when her killer did something quite beyond sick, pulled down her pants, pulled up her shirt, left a deposit of semen on her body, his mark and his dna. >> there was a lot of anger, a lot of humiliation involved in this. >> and frustration for the cops because that dna didn't match any of their possible suspects. month after month, they chased leads into disappointing dead ends, and all the while carol dodge haunted the investigation, practically stalked the detectives, desperate for information, begging them, find the killer. >> i drove to the police department every day that they were open. >> and then one day seven months later, dead of winter, january '97, an arrest next door in nevada broke the case wide open. in custody was a young man named benjamin hobbs, one of those less savory friends of angie's. here he is at angie's funeral

carrying flowers. get this, hobbs was now charged with sexually assaulting a woman at knife point. sound familiar? so while detective ken brown rushed off to question hobbs, detective jared furman began talking to hobbs' friends. why do you think you're down here? >> honestly, i have no idea. >> one of whom was a 20-year-old named christopher tapp. tapp was no felon, but he was an admitted druggy, and what do you know, chris tapp had a bit of a history with ex-school resource officer, now detective fuhriman. >> he was in trouble at the time or two. >> he was, so just trying to help him out. >> i trust you, and hopefully you trust me, okay? >> yes, said tapp, he trusted fuhriman, but didn't know anything about angie's murder. >> if i did know anything about this, i would say, but i do not know. that's the honest truth. >> and having made his statement, christopher tapp went home, in the clear apparently. a couple of days later, the

detectives asked him to come downtown again. >> i told him, i says, what are you doing? i says, this is a murder case. >> this is tapp's mother vera. she understood what he apparently did not, that her son was quite possibly talking himself into very big trouble. >> he said, mom, i don't have anything to hide, and i want to tell them that i don't know anything. >> but it didn't quite work out that way. before long, chris tapp had written a statement for police saying, ben hobbs said he killed her, and i just laughed it off like he was just telling me a joke. ah, but that was just the beginning. over the next several weeks, they had tapp in here nine times, questioned him 20 hours, even gave him an immunity deal, and that is when mr. tapp's story began to evolve. yes, he admitted he was there when ben hobbs killed angie, even held her down, he admitted, when ben stabbed her, and then finally, he said, he even stabbed her once himself. the motive, revenge.

supposedly angie had been meddling in ben's marriage, and mr. hobbs did not like that one bit. so detectives confronted hobbs, who denied any part in the murder, and asked them a question about angie. >> was she raped and not just killed? >> i don't know. was she raped? >> i don't know. that's what i'm asking you. the dna will prove my innocence right there. >> and lo and behold, he was right. that dna result came back, and the semen found on angie's body didn't belong to ben hobbs or chris tapp, neither one of them. >> what went through your heads when the dna results came back and it showed that the attacker was not ben hobbs? >> if you're going to nail it down to one word, it's frustration. >> but the detectives decided that didn't mean chris was lying or that their theory of the crime was wrong. it could only mean, they decided, that they needed to expand the theory. ben hobbs and chris tapp were

guilty, they were sure of it. so that mystery dna must have come from a third man, a third attacker. so they put tapp back in the little interrogation room and asked him, was a third man involved in the crime? and sure enough, chris tapp said, yes, there was a third man. but no matter how many times detectives asked, he couldn't or wouldn't tell them who it was. so prosecutors made a decision. if tapp wasn't going to tell them the whole truth, he wouldn't get his deal. chris tapp was charged with murder, but only chris. not enough evidence to go after hobbs or anyone else. the announcement caught carol dodge by surprise. detectives had kept her in the dark until now. but one look at christopher tapp in court, and she knew she wanted him dead. >> i mean, i was finally looking somebody in the eye i thought was a devil who had taken my daughter's life. >> chris tapp was found guilty and sent off to state prison for 40 years, which is when carol

dodge's odyssey really began. her own investigation filled with danger, surprise, and some very troubling discoveries. >> when we come back, one discovery so troubling that angie's mother reached out for help. >> the anger just surged through me. >> her search for the truth would hold some chilling surprises. >> it still brings the hair up on the back of my neck. >> when "the confession" continues. cologuard:

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in the years after the murder, the man who confessed was safety tucked away at prison. his alleged accomplice, ben hobbs, in prison for a different

felony, was never charged with angie's murder. and idaho falls police told angie's mother carol they still couldn't find that third man, the one who left his dna on angie's body. that's when carol became, her word, obsessed. if the police couldn't track down her daughter's killer, well, then, she would. >> the anger just surged through me. and that's when i went to the streets, and i literally put 60,000 miles on my struck searching for her killer.

>> you put yourself in harm's way? >> oh, absolutely. i remember going to a place, and the lady said, you need to leave before somebody hurts you. >> that's how the days and weeks passed. >> i had a gun put to my head one night. >> in a frenzy of new leads that never panned out, with carol often ending up parked outside the apartment where angie was murdered. >> i would just stare at that house and stare at the windows and try and figure out how scared she must have been. >> something else carol couldn't stop doing -- reading police reports, practically memorizing them. >> i don't sleep when i get up, and i just go, what part of this don't i understand? >> it didn't make sense? >> none of it made sense. >> and in one of those reports, carol found a phrase, which the more she read it sounded out of place in the dna world. it was about pubic hairs, which in addition to the semen, had been found on angie's body. >> it was written in this lab report as similar or same as the victim. and i said to myself, it's either angie's or it's not angie's. it can't be an either/or, not in today's scientific world. >> of course. then carol remembered reading an article about an internationally known dna expert who just happened to live and work right in idaho. >> how does it feel to be a recognized dna expert? >> it's fun. >> it's fun but -- >> i did fruit flies. nobody invited me to talk on

television. >> this is the expert, dr. greg hemvikian, a fruit fly geneticist, who now spreads his enthusiasm at boise state university. the doctor's work isn't all done in the classroom. in fact, his own path changed in 1984 when he was asked to test dna that led to an innocent man being freed in georgia. the doctor and the exonoree wrote a book together, and just like that, he found a new calling. he's now in high demand. in 2011, he was part of the team credited with freeing amanda knox, that american college student wanted for murder in italy. and in his spare time, he's the founder and director of idaho's innocence project. >> it's an unfortunate thing that our name is innocence because honestly i've worked on, i think, 13 exonerations now. four of the ones in georgia,

they found the actual perpetrator. to those four guys, i'm the guilty project. >> so now the coincidence you just couldn't make up. the very week carol left a phone message for dr. hempikian looking for help, the i'd i innocence project had just taken on a new case, the case of the man convicted of killing carol's daughter, christopher tapp. the doctor called carol back. >> her words to me, i'll never forget, were i just want to know what happened to my daughter. it still brings the hair up on the back of my neck. >> the curiosity of her surprise you? >> the knowledge surprised me. she's turned all of that love and devotion for her daughter into a very careful record of this case. >> so she read that report to him, the one that said the pubic hairs found on angie were similar to or the same as the victim. >> he goes, well, they're either

hers or they're not. >> just as you thought. >> he said, well, where are the hairs? >> i said, i assume that they're still in evidence. >> so she called the idaho falls police department, which found the hairs in an envelope in the evidence room where they'd been stored for all those years. after carol's call, those pubic hairs were sent out to the crime lab where state of the art dna tests could show that chris tapp was there at the crime scene or ben hobbs was there at the crime scene or that the entirety of the physical evidence was left by one unknown third man. that was a fundamental question, huge, and the answer from the dna left no doubt. >> it's one person who did this, in terms of the dna. >> one killer. the science said there was no evidence there were three attackers in angie's apartment that night, as police had theorized, but just one. and that remarkable news could mean only one thing, at least according to the idaho innocence project. chris tapp's story was a false confession. he was not there. he was an innocent man.

the theory of multiple killers, ridiculous said hempikian. >> to imagine there's this group of criminals who know about dna and are so careful, what did they do? they planted somebody else's semen and pubic hair and then cleaned up all their own dna. >> as you might well imagine, that conclusion that chris tapp had to be innocent, that the killer had never been caught, came down like a hammer to the head on angie's mother. >> i was extremely angry. when they have dna not once, but twice, that belongs to the same person and it's not chris tapp, something's wrong. >> so what did you do? >> i met with the chief, and i asked for copies of all of the videotapes.

>> those videotapes, the ones in which chris tapp had confessed to taking part in the murder, by most accounts, carol knew more about the case than anyone, but the one thing she had never done was watch all the more than 20 hours of the chris tapp interrogation. now she did, watched every minute. when she was done, carol dodge was a changed woman looking at a brand new case. coming up -- >> there's times that i wanted to put my fist through the tv. >> the tale of the tapes. what exactly had she found? >> we're going to go from there. >> when "dateline" continues. thousands of women with metastatic breast cancer,

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here is keith morrison. >> more than a dozen years after her daughter's murder, the ground beneath carol dodge's feet was quaking. new dna tests revealed that none of the physical evidence implicated confessed murderer christopher tapp but pointed instead to some mystery man still at large. and the woman who'd relentlessly prodded the idaho falls police to find her daughter's killer began to doubt everything those detectives had been telling her. >> for 13 years, they had me convinced that chris tapp was there. all they kept saying is he confessed, carol. he confessed. >> but was it a real confession? carol asked for and got a complete set of tapp's videotaped confessions, and what she saw amazed her. by this time, of course, she knew so much more than she had a

decade before, knew, for example, that then detective jared fuhriman who ran the interviews had been a school resource officer, well-known to a young chris tapp. >> i trust you, and hopefully you trust me, okay? >> fuhriman kept telling chris, just trust me, chris. you've got to trust me. you know, we go way back, chris. and i think that he was taught to respect adults, and he was a follower. >> she watched as chris insisted he knew nothing, and then she saw detectives, as they're trained to do, subtly make tapp an active participant. >> let's say, for example, hypothetically, chris, you were there.

okay? >> okay. >> hypothetically, chris, how do you think it happened? and i remember chris saying, you mean like a tv show? >> next she saw police administering polygraph after polygraph and almost always with the same result. they would tell him he was deceptive, and how when tapp was promised immunity, his story about ben hobbs changed. >> he got a knife, and he just started to cut her. >> but perhaps what troubled carol most was seeing how confused tapp was, even ten days after his first interviews, he still seemed not to know what house angie lived in. >> angie like lived on the

corner. i wasn't clear. >> police, carol noticed, kept correcting him. for a guy who'd taken part in a murder, tapp seemed to not know much about the layout of angie's apartment. >> maybe if you could just draw it out. >> when they asked him to draw it, he couldn't do it. detectives even, perhaps inadvertently, showed him where the murder occurred. >> it happened in here, in the bedroom, back here. >> it's back here. >> and there's more. police always told carol tapp knew things only the killer would know, the position of angie's body, the clothes she was wearing. now carol could see for herself on tape the reason chris would know those things. carol was stunned to see police had shown tapp photos of the crime scene. >> i want you to tell me how you remember it, how you don't remember it, and we're going to go from there. >> there's times i wanted to put my fist through the tv. >> and finally, remember that the police theory of the crime after dna didn't match tapp or hobbs was that three people committed the murder together. the detectives spent hours, literally, trying to drag the name of that third man out of tapp. and when carol saw the tape,

well, you watch it. >> the name, nothing comes to my head. >> it wasn't jeff? it wasn't russ? >> i'm gonna say jeff. maybe just a first name. >> by the time you had gone through all those tapes, what did you think about chris tapp, the man you believed all those years? >> how did they do this to me? how did they manage to keep someone in prison for all these years, and it's a possibility it's not him? >> and after that eureka moment, carol dodge made a decision. she would do more to search for her daughter's killer. she would actively work to free christopher tapp, the only man convicted of the murder. >> i think that chris' case truly got taken seriously after i made my contact with boise state. >> she was the first victim's family member who came forward to work with the innocence project on a case. i mean, she's the leading edge of a group of people who have come forward and said, you know what, we just want to know what happened. >> but no matter who was now on his side, chris tapp was face to face with two very uncomfortable truths. number one, years of appeals had done nothing to overturn his

conviction and prison sentence, and, two, the detective who put him behind bars had gone on to a much more powerful position in idaho falls, and he was still absolutely certain that chris tapp is as guilty as sin. when we come back, the former detective reveals what makes him so sure of tapp's guilt. >> he took us into the bedroom and relived that night, and you could see it on his face. he was reliving it. >> when "the confession" continues. maria ramirez?

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and wounded more than a hundred others. protesters are fighting for an overall haul of the political sm in their country. now back ta "dateline." welcome back to "dateline extra." it had been more than a dozen years since oon ji dodge was murdered. in that time, her mother had come to believe christopher tapp was innocent. she had poured over his interrogation tapes and stunned to see a confused young man grasping for details. carol now believed chris's confession was coerced. not true, the investigators told us. but why were they so certain? let listen for yourself. here again is keith morrison. by the time we visited the city of idaho falls in march of 2012, the angie dodge murder case was to some just a piece of

city history, but to idaho's innocence project and its founder, it was a miscarriage of justice and a cause. >> if there's dna, for god's sakes, believe the science. people are not that accurate. the dna is very precise. >> and now 15 years after the murder of her daughter, angie's own mother, carol dodge, had done the unthinkable. she joined the idaho innocence project. >> the city of idaho falls has got it wrong. >> you want someone to take you seriously? >> yes. >> in the years since the murder, finding angie's killer had become carol's reason for living. through three heart attacks, the death of an estranged husband, off and on battles with the idaho falls police, and now she

was going to have to fight that power in a whole new way because -- remember jared fuhriman, the detective who befriended chris tapp in a previous position as school resources officer? >> the fellow who got that confession has gone on to become the mayor of the town. >> true. >> did that have anything to do with it as far as you can tell? >> people have got to protect their story without looking any deeper and saying, is this really accurate? >> so have the idaho falls police taken a false confession, put the wrong man in prison, and failed to find the real killer? >> no. >> just not true, said the former detective, now mayor jared fuhriman. how does he know? it was fuhriman who took tapp to visit the crime scene during some of those many interviews all those years ago. >> let me tell you, they weren't in the room with me when he took us up the stairs, took us into the bedroom, and relived that night. and you could see it on his face.

he was reliving it. >> of course, they wouldn't be able to see that because it was one of the only times during the investigation when the police did not videotape chris tapp. but -- >> i have no doubts in my mind that chris tapp is part of that homicide. >> right. and you can't say anything now. >> well, you can because, what is it, 25% of all dna resolved cases where somebody is released from prison, it turns out there's a false confession. people do confess to things they didn't do. >> we know that, but when people confess to crimes they didn't do, they don't know the minute details of that case, and chris knew and knows the minute details of that case. >> he, of course, claims that he knows them because he was fed them. >> we would politely disagree with that. >> is it possible at least that there was some suggestion involved in these things before he actually said them? >> that he was coerced? >> not coerced. that he heard in the questions he was being asked some hint of

what the answer might be? hypotheticals, as it were. >> there's a possibility the world could end in 2012 too. for us to say there's absolutely no possibility anything could have happened, we can't say things like that. we can say that we have reviewed those tapes over and over. we had a jury who reviewed those tapes. >> for two guys who interviewed this person over and over again and found that in the first interview, the second interview, the third interview, the fourth interview, the fifth interview, he lied like a sidewalk, then you finally get to the seventh interview, ands that the gospel truth. >> no, absolutely not. during each of the interviews, he was bringing out information that he absolutely knew, wasn't fed to him. the color of clothes she was wearing, the position of the clothes, how many times she was stabbed, the diagram on where she was at in the room. >> interesting. many times as the interviews progressed, chris tapp claimed to know nothing about the clothes angie dodge was wearing. >> do you remember what she had on? >> no. there was a the lot of blood. >> do you remember if she was clothed, not clothed? >> no. >> but some details in the interview could be used to back up the claims by police.

once, for example, before tapp was shown the crime scene photos, he seems to, in a guessing kind of way, know what angie was wearing. >> kind of comfy around the house, like a t-shirt and sweats. >> and although he's wrong about the color of her clothes, after being asked many times if her clothes were half on, half off, pulled up, or pushed down, he does correctly say this about her pants. >> her sweats are off on with one leg out. >> also, detectives said chris talked about ben hobbs hitting angie behind the ear. and? >> we have the evidence to back it. we have bruising where he says that ben hit her.

>> so detectives insisted they were right. ben hobbs was the ring leader. chris tapp was involved in the attack, and an unknown third man left the dna in the form of semen. three attackers. the identity of the third still a secret, unrevealed by either of the other two all those years later. and about the fact that carol dodge now disagrees with their theory and is now supporting chris tapp, the only man in prison for the murder? what's it like to know that carol is now actively campaigning for his release, believes him an innocent man? >> i think that's part of the process. in some respects, her heart has been broken. >> and she's convinced you got the wrong guy? >> when i heard that, i was genuinely surprised. >> it's been a roller coaster ride for 16 years for her. she's looking for closure. tomorrow or the next day, chris could be guilty in her mind again. >> so perhaps now would be a good time to talk to the man in the middle of all this, the serial confessor, christopher tapp. >> coming up -- >> i didn't kill nobody. >> so why would he confess? tackling the biggest mystery of all when "dateline" continues. ce when i switched to geico. and this is how it made me feel. it was like that feeling when you go to taco night at your favorite restaurant.

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welcome back. chris tapp supporters insisted dna evidence proved he wasn't involved in the murder of angie dodge. but police r were just as convinced that chris was a killer. he had shared grizzly details of the crime that only the killer would know. but what did chris have to say about that confession so many years ago? you're about to hear his side of the story. here again is keith morrison. >> there comes a time in every tale to meet the man at the center of the story, and here he is, christopher tapp. no longer the aimless pot head you saw in the videotapes of 1997. now a man of 36 who's done more than a decade of hard time. as people look at you, what do you most want them to know about you? >> i've been so wronged all these years.

how could individuals do something to another human being like they've done to me? >> you're an innocent man? >> yes, sir, i am. >> of course, everybody in prison is innocent, right? >> if you look at the entire case, the dna, none of it points to me. >> on that point, there is little dispute, of course, but how did chris tapp get here? it's a familiar story to many families. the sweet little boy shown in all these pictures of a typical childhood, carefully kept by his mom vera. started smoking marijuana at 13, then at 16 turned to meth. chris dropped out of high school. got and stayed high every minute he could, he says. hanging out down by the river in idaho falls with all those kids his mother warned him about, and

that, he says, is how his name came up after the murder of angie dodge, when police were scouring the city for suspects who might match that dna left behind after the murder. so too he was asked to submit dna. did you think anything of that? >> no. i had no rhyme, no reason to be scared. >> but then not a word for months until, you'll recall, january of 1997, when tapp was brought in for questioning after his friend ben hobbs was arrested for a nevada sexual attack, which police said was similar to the murder of angie dodge. >> i didn't know what he was being brought in for. >> you didn't connect it with the angie thing at all? >> no, honestly, i thought i was going in for drugs. >> and as you've seen over the course of several weeks, chris tapp soon went from saying he knew nothing about angie's murder to being the only man charged in the case, just as his mother warned him. >> how was your mother during all of this? >> frantic, and i was honest with her. i said, i had nothing to do with

this mom. and i tried to explain to her, i didn't really confess. it took days to get to a story where i actually made a confession. >> of course, one of the difficulties was your story kept changing, right? >> very much it did. >> i mean, you went from saying, i don't know anything about this, to then saying, well, maybe ben had something to do with it. to then maybe there was a third guy involved. to wait a minute, i was there. oh, yeah, and i cut her. where did that come from? >> trying to give them what they wanted to hear, just to appease them. >> wait a minute. but why would you say you cut her? >> because during that time mr. fuhriman, he said hypothetically, even if you did cut her, it still ain't going to matter. we'll be able to get you another

deal. we'll be able to help you. you just have to help us. >> indeed, here it is, on tape, with then detective, now mayor jared fuhriman in charge of the interview. >> hypothetically, if chris tapp was holding on to angie as she was being cut and some other stuff was going on, if chris tapp took part in the knife in any way, shape, or form cutting her, okay? >> but i didn't. >> would you listen. >> i'm sorry. >> okay. hypothetically, if you took part in any of that, that's okay because you're still here. you're still showing some good faith that you want to cooperate, and the prosecutor will reconsider another -- >> a deal. >> exactly. >> you believed that story? >> hook, line, and sinker. >> try to put yourself there right now and tell me what's going on inside your stomach and your brain. >> scared. trying to figure out what they want just for them to leave me alone. >> why? >> i didn't kill nobody. i was never there the night the murder happened. they just kept focusing on, well, if you was there, if you did do it, if you held the knife, it's okay. we'll help you. so like an idiot, i believed them. >> and then they charged you with murder. >> yes.

>> now, of course, chris tapp is fighting to clear his name, with the support of not only his own mother and the innocence project, but of carol dodge, the victim's mother. >> carol dodge came around to your side. what was that like? >> it's an amazing feeling, and i appreciate her finally understanding. that i'm innocent. >> and as we spoke, for the first time in years, chris tapp had reason to feel one spark of possibility. someone in a position to change his future was going to listen. coming up, a new chance at freedom. could that controversial confession get thrown out of court? >> if this confession goes, the state has almost no evidence. >> a high stakes hearing with carol dodge front and center. when "the confession" continues. it's tough to quit smoking cold turkey.

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welcome back. now all these years later, chris was headed back to court in an attempt to have the confession thrown out. if successful it might mean a new trial but there was another possible path to freedom, one with a very steep price. here with the conclusion of our sorry, keith morrison. >> as chris ended the courtroom,

here and his supporters are reason for hope. this would have to be based strictly on law. in this hearing, it could be thrown out, too, if the court decided he believed he was in custody when he said those incriminated things because that would have violated his basic constitutional rights. that's attorneys dennis benjamin and john thomas. what's the best result from this? >> new trial or possible to hav. >> the state has almost no evidence. >> i think they'd have to dismiss the case. >> the stakes could not have been higher. carol dodge was there, too. two of her sons also.

>> they've got a lot at stake. if chris tap walks free, then what? then it's who is the killer? >> the prosecution would rely on the word of the detective, who later become the mayor. he said chris tap was never technically in custody. >> was chris tap free to leave? >> yes. >> that's funny, chris tap's lawyers argued. how could a 20-year-old who had been arrested twice and watched while the door was actually barred during some of his interviews, how could that young man, who had been questioned on and off nearly oo month, who spent more this afternoon oo week of that time locked up and jail, watched as immunity deals were offered and later torn up, how could that kid be expected to believe he could leave whenever he wanted? >> did you think if you did not

talk to the police you would be allowed to go home? >> no, i would not be allowed to go home. >> reporter: but he had indeed lied many times, including on swore affidavits. >> you admitted you lied. if you lied before, how can we believe you now? >> of course they're going to say i'm a liar now but it's the truth. i'm innocent. i never committed this crime. >> when the testimony was over, it was up to the judge. would he order a new trial for chris or send him back to prison, maybe for good? and then four months later a rule be. chris tap was never threatened, restrained or handcuffed and, thus, was not in custody.

appeal denied. >> it's a corny line but the truth will set me free someday. >> and you're convinced of that? >> as the years go on, yeah. >> two years after his conviction in march 2017, a stunning twist. prosecutors offered chris tap a plea deal. chris had a decision to make. this was not an exoneration. he'd still be a killer in the eyes of the law, but he'd be out of prison. he accepted and was resentenced to time served new york probe ieg probeprobation, no parole. after 20 years behind bars, he left the hearing a free man. >> how are you feeling? >> overwhelmed. >> the answer to who killed

angie dodd still rested in science. he said dna at the scene points to not three men, not two, just one. >> secrets can be kept but science reveals those secrets. somebody went in and committed a typical violent rain murder and left typical evidence. there's no other person there by dna. where is he? >> and then in may 2019, a long-awaited. [ -- breakthrough. >> today we're arresting ryan drips. >> it belonged to ryan drips, a neighbor who lives eye across from angie when she was killed. those police announced he confessed to them, drips pleaded

not guilty and is awaiting trial. it was an emotional moment for angie's mother, carol, who was there at the press conference. >> it was real nuts. he orchestrated the whole thing. it just took us 23 years to get here. but he led us all the way. >> for chris tap, the break in the case was a new beginning. a judge finally vacated his conviction and this time left the court not only a free man but a fully exonerated one. >> i'm thankful that my mother will know that this last name is clean and that's the most important thing to me in this world. >> as for carle dodge, the idaho falls police department called her a warrior, adding that over the years many of their investigators said they were

inspired to do more, try harder and innovate because of her fierce love for her daughter. >> that's all for this edition of "dateline extra." i'm craig melvin. thank you for watching. it was a whirl wind love affair. i fell like this was the one i had been waiting for. did he love me or was it all a game. >> a business business woman falls for a dashing doctor but her daughters had doubts. >> i had a